Rates and Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, $6 for each hour is a unit rate.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if 4 pounds of bananas cost $6, the unit rate is $6 ÷ 4 = $1.50 per pound.

Front

What is the unit rate of 10 miles in 2 hours?

Back

The unit rate is 10 miles ÷ 2 hours = 5 miles per hour.

Front

What is an example of a rate in real life?

Back

An example of a rate in real life is miles per hour, which measures speed.

Front

If a machine packs 70 boxes in 5 minutes, how many boxes does it pack in 1 minute?

Back

It packs 70 boxes ÷ 5 minutes = 14 boxes per minute.

Front

If a car travels 160 miles in 4 hours, what is its speed in miles per hour?

Back

The speed is 160 miles ÷ 4 hours = 40 miles per hour.

Front

How do you find the cost per item?

Back

To find the cost per item, divide the total cost by the number of items. For example, if 4 pounds of bananas cost $6, the cost per pound is $6 ÷ 4 = $1.50.

Front

What is the unit rate of 15 pounds every 5 servings?

Back

The unit rate is 15 pounds ÷ 5 servings = 3 pounds per serving.

Front

If a car travels 280 miles in 7 hours, what is the unit rate in miles per hour?

Back

The unit rate is 280 miles ÷ 7 hours = 40 miles per hour.

Front

What is the unit rate of $12 for 3 hours?

Back

The unit rate is $12 ÷ 3 hours = $4 per hour.